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wp-content/plugins/generateblocks-pro/includes/form/class-form-action-registry.php

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+<?php
+/**
+ * Form action registry.
+ *
+ * Extensible system for registering form submission handlers.
+ * Third-party developers can register their own actions.
+ * All callbacks receive sanitized data only.
+ *
+ * @package GenerateBlocksPro
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Form action registry class.
+ */
+class GenerateBlocks_Pro_Form_Action_Registry {
+
+	/**
+	 * Registered actions.
+	 *
+	 * @var array<string, callable>
+	 */
+	private static $actions = [];
+
+	/**
+	 * Register a form action.
+	 *
+	 * @param string   $name     The action identifier (e.g., 'email', 'mailchimp').
+	 * @param callable $callback The handler function. Signature: function( array $sanitized_data, array $form_settings ): WP_Error|true.
+	 */
+	public static function register( $name, $callback ) {
+		if ( is_callable( $callback ) ) {
+			self::$actions[ sanitize_key( $name ) ] = $callback;
+		}
+	}
+
+	/**
+	 * Get a registered action callback.
+	 *
+	 * @param string $name The action identifier.
+	 * @return callable|null The callback or null if not registered.
+	 */
+	public static function get( $name ) {
+		return self::$actions[ sanitize_key( $name ) ] ?? null;
+	}
+
+	/**
+	 * Unregister a form action.
+	 *
+	 * @param string $name The action identifier.
+	 */
+	public static function unregister( $name ) {
+		unset( self::$actions[ sanitize_key( $name ) ] );
+	}
+
+	/**
+	 * Get all registered action names.
+	 *
+	 * @return array List of registered action identifiers.
+	 */
+	public static function get_registered() {
+		return array_keys( self::$actions );
+	}
+}